Not necessarily.
A person who is just there to have fun, and wont suffer the same penalites as his teammates is an invitation to trolling.
You'll see people intentionally throw, or feed the other team Ult energy just to get a reaction out of people.
not necessarily, but realisticly.
if u could choise between 5vs6, or add a random from quick play, u would chose the random. Everyone would. Chanses of winning with the random would be higher.